Overview

Dataset info

Number of variables8
Number of observations244
Missing cells0 (0.0%)
Duplicate rows1 (0.4%)
Total size in memory9.1 KiB
Average record size in memory38.3 B

Variables types

Numeric4
Categorical3
Boolean1
Date0
URL0
Text (Unique)0
Rejected0
Unsupported0

Warnings

Dataset has 1 (0.4%) duplicate rows Warning

Variables

day
Categorical

Distinct count4
Unique (%)1.6%
Missing (%)0.0%
Missing (n)0
Sat
87
Sun
76
Thur
62
ValueCountFrequency (%) 
Sat 87 35.7%
 
Sun 76 31.1%
 
Thur 62 25.4%
 
Fri 19 7.8%
 
Max length4
Mean length3.254098361
Min length3
Contains charsTrue
Contains digitsFalse
Contains spacesFalse
Contains non-wordsFalse

ratio_tip_bill
Numeric

Distinct count242
Unique (%)99.2%
Missing (%)0.0%
Missing (n)0
Infinite (%)0.0%
Infinite (n)0
Mean0.1608025817
Minimum0.03563813585
Maximum0.7103448276
Zeros (%)0.0%
Mini histogram

Quantile statistics

Minimum0.03563813585
5-th percentile0.07866288911
Q10.1291273617
Median0.1547697713
Q30.1914754863
95-th percentile0.2407381643
Maximum0.7103448276
Range0.6747066917
Interquartile range0.06234812459

Descriptive statistics

Standard deviation0.06107220419
Coef of variation0.3797961671
Kurtosis27.13145067
Mean0.1608025817
MAD0.04000907329
Skewness3.349217025
Sum39.23582994
Variance0.003729814125
Memory size2.0 KiB
Histogram
Histogram with fixed size bins (bins=50)
Histogram
Histogram with variable size bins (bins=[0.03563814 0.07238261 0.1160269 0.20619333 0.28626242 0.71034483], "bayesian blocks" binning strategy used)
ValueCountFrequency (%) 
0.1448225923 2 0.8%
 
0.1538461538 2 0.8%
 
0.1067708333 1 0.4%
 
0.2412545235 1 0.4%
 
0.1697965571 1 0.4%
 
0.2634803922 1 0.4%
 
0.1809210526 1 0.4%
 
0.1184146931 1 0.4%
 
0.07180385289 1 0.4%
 
0.15 1 0.4%
 
Other values (232) 232 95.1%
 

Minimum 5 values

ValueCountFrequency (%) 
0.03563813585 1 0.4%
 
0.05643340858 1 0.4%
 
0.05679666793 1 0.4%
 
0.05944673337 1 0.4%
 
0.06565988181 1 0.4%
 

Maximum 5 values

ValueCountFrequency (%) 
0.7103448276 1 0.4%
 
0.4166666667 1 0.4%
 
0.325732899 1 0.4%
 
0.2919896641 1 0.4%
 
0.2805351748 1 0.4%
 

sex
Categorical

Distinct count2
Unique (%)0.8%
Missing (%)0.0%
Missing (n)0
Male
157
Female
87
ValueCountFrequency (%) 
Male 157 64.3%
 
Female 87 35.7%
 
Max length6
Mean length4.713114754
Min length4
Contains charsTrue
Contains digitsFalse
Contains spacesFalse
Contains non-wordsFalse

size
Numeric

Distinct count6
Unique (%)2.5%
Missing (%)0.0%
Missing (n)0
Infinite (%)0.0%
Infinite (n)0
Mean2.569672131
Minimum1
Maximum6
Zeros (%)0.0%
Mini histogram

Quantile statistics

Minimum1
5-th percentile2
Q12
Median2
Q33
95-th percentile4
Maximum6
Range5
Interquartile range1

Descriptive statistics

Standard deviation0.9510998047
Coef of variation0.3701249639
Kurtosis1.731700066
Mean2.569672131
MAD0.7798978769
Skewness1.447881539
Sum627
Variance0.9045908386
Memory size2.0 KiB
Histogram
Histogram with fixed size bins (bins=6)
Histogram
Histogram with variable size bins (bins=[1. 1.5 2.5 4.5 6. ], "bayesian blocks" binning strategy used)
ValueCountFrequency (%) 
2 156 63.9%
 
3 38 15.6%
 
4 37 15.2%
 
5 5 2.0%
 
6 4 1.6%
 
1 4 1.6%
 

Minimum 5 values

ValueCountFrequency (%) 
1 4 1.6%
 
2 156 63.9%
 
3 38 15.6%
 
4 37 15.2%
 
5 5 2.0%
 

Maximum 5 values

ValueCountFrequency (%) 
6 4 1.6%
 
5 5 2.0%
 
4 37 15.2%
 
3 38 15.6%
 
2 156 63.9%
 

smoker
Boolean

Distinct count2
Unique (%)0.8%
Missing (%)0.0%
Missing (n)0
No
151
Yes
93
ValueCountFrequency (%) 
No 151 61.9%
 
Yes 93 38.1%
 

time
Categorical

Distinct count2
Unique (%)0.8%
Missing (%)0.0%
Missing (n)0
Dinner
176
Lunch
68
ValueCountFrequency (%) 
Dinner 176 72.1%
 
Lunch 68 27.9%
 
Max length6
Mean length5.721311475
Min length5
Contains charsTrue
Contains digitsFalse
Contains spacesFalse
Contains non-wordsFalse

tip
Numeric

Distinct count123
Unique (%)50.4%
Missing (%)0.0%
Missing (n)0
Infinite (%)0.0%
Infinite (n)0
Mean2.998278689
Minimum1
Maximum10
Zeros (%)0.0%
Mini histogram

Quantile statistics

Minimum1
5-th percentile1.44
Q12
Median2.9
Q33.5625
95-th percentile5.1955
Maximum10
Range9
Interquartile range1.5625

Descriptive statistics

Standard deviation1.383638189
Coef of variation0.4614775118
Kurtosis3.648375873
Mean2.998278689
MAD1.033018678
Skewness1.465451037
Sum731.58
Variance1.914454638
Memory size2.0 KiB
Histogram
Histogram with fixed size bins (bins=50)
Histogram
Histogram with variable size bins (bins=[ 1. 1.005 1.99 2.005 2.485 ... 3.505 3.96 4.03 5.185 10. ], "bayesian blocks" binning strategy used)
ValueCountFrequency (%) 
2 33 13.5%
 
3 23 9.4%
 
4 12 4.9%
 
5 10 4.1%
 
2.5 10 4.1%
 
3.5 9 3.7%
 
1.5 9 3.7%
 
1 4 1.6%
 
1.25 3 1.2%
 
3.48 3 1.2%
 
Other values (113) 128 52.5%
 

Minimum 5 values

ValueCountFrequency (%) 
1 4 1.6%
 
1.01 1 0.4%
 
1.1 1 0.4%
 
1.17 1 0.4%
 
1.25 3 1.2%
 

Maximum 5 values

ValueCountFrequency (%) 
10 1 0.4%
 
9 1 0.4%
 
7.58 1 0.4%
 
6.73 1 0.4%
 
6.7 1 0.4%
 

total_bill
Numeric

Distinct count229
Unique (%)93.9%
Missing (%)0.0%
Missing (n)0
Infinite (%)0.0%
Infinite (n)0
Mean19.78594262
Minimum3.07
Maximum50.81
Zeros (%)0.0%
Mini histogram

Quantile statistics

Minimum3.07
5-th percentile9.5575
Q113.3475
Median17.795
Q324.1275
95-th percentile38.061
Maximum50.81
Range47.74
Interquartile range10.78

Descriptive statistics

Standard deviation8.902411955
Coef of variation0.4499362059
Kurtosis1.218484016
Mean19.78594262
MAD6.869440003
Skewness1.133213038
Sum4827.77
Variance79.25293861
Memory size2.0 KiB
Histogram
Histogram with fixed size bins (bins=50)
Histogram
Histogram with variable size bins (bins=[ 3.07 9.575 21.085 35.045 50.81 ], "bayesian blocks" binning strategy used)
ValueCountFrequency (%) 
13.42 3 1.2%
 
10.33 2 0.8%
 
20.29 2 0.8%
 
18.29 2 0.8%
 
17.92 2 0.8%
 
21.01 2 0.8%
 
13.81 2 0.8%
 
15.69 2 0.8%
 
15.98 2 0.8%
 
13 2 0.8%
 
Other values (219) 223 91.4%
 

Minimum 5 values

ValueCountFrequency (%) 
3.07 1 0.4%
 
5.75 1 0.4%
 
7.25 2 0.8%
 
7.51 1 0.4%
 
7.56 1 0.4%
 

Maximum 5 values

ValueCountFrequency (%) 
50.81 1 0.4%
 
48.33 1 0.4%
 
48.27 1 0.4%
 
48.17 1 0.4%
 
45.35 1 0.4%
 

Correlations

Missing values

Sample

First rows

dayratio_tip_billsexsizesmokertimetiptotal_bill
0Sun0.059447Female2NoDinner1.0116.99
1Sun0.160542Male3NoDinner1.6610.34
2Sun0.166587Male3NoDinner3.5021.01
3Sun0.139780Male2NoDinner3.3123.68
4Sun0.146808Female4NoDinner3.6124.59
5Sun0.186240Male4NoDinner4.7125.29
6Sun0.228050Male2NoDinner2.008.77
7Sun0.116071Male4NoDinner3.1226.88
8Sun0.130319Male2NoDinner1.9615.04
9Sun0.218539Male2NoDinner3.2314.78

Last rows

dayratio_tip_billsexsizesmokertimetiptotal_bill
234Sat0.193175Male2YesDinner3.0015.53
235Sat0.124131Male2NoDinner1.2510.07
236Sat0.079365Male2YesDinner1.0012.60
237Sat0.035638Male2YesDinner1.1732.83
238Sat0.130338Female3NoDinner4.6735.83
239Sat0.203927Male3NoDinner5.9229.03
240Sat0.073584Female2YesDinner2.0027.18
241Sat0.088222Male2YesDinner2.0022.67
242Sat0.098204Male2NoDinner1.7517.82
243Thur0.159744Female2NoDinner3.0018.78